<ion-view style="background-color: #e8e8e8;">
  <ion-header-bar class="bar bar-positive">
    <button class="button back-button buttons icon ion-ios-arrow-left button-clear"  nav-direction="back" ui-sref="tab.tool">返回</button>
    <h3 class="title">计算器</h3>
  </ion-header-bar>
  <ion-content>
    <div id="calc">
      <input class="f-text" type="text" readonly="readonly" maxlength="9" value="0" />
      <ul>
        <li class="btn-1"><a href="javascript:void(0)" style="color: #387ef5;">c</a></li>
        <li class="btn-1"><a href="javascript:void(0)">%</a></li>
        <li class="btn-1"><a href="javascript:void(0)">÷</a></li>
        <li class="btn-1"><a href="javascript:void(0)">×</a></li>
        <li><a href="javascript:void(0)">7</a></li>
        <li><a href="javascript:void(0)">8</a></li>
        <li><a href="javascript:void(0)">9</a></li>
        <li class="btn-1"><a href="javascript:void(0)">-</a></li>
        <li><a href="javascript:void(0)">4</a></li>
        <li><a href="javascript:void(0)">5</a></li>
        <li><a href="javascript:void(0)">6</a></li>
        <li class="btn-1"><a href="javascript:void(0)">+</a></li>
        <li><a href="javascript:void(0)">1</a></li>
        <li><a href="javascript:void(0)">2</a></li>
        <li><a href="javascript:void(0)">3</a></li>
        <li class="btn-2"><a href="javascript:void(0)">=</a></li>
        <li class="btn-3"><a href="javascript:void(0)">0</a></li>
        <li class="btn-4"><a href="javascript:void(0)">.</a></li>
      </ul>
      <input id="formula" type="text" readonly="readonly" value="" />
    </div>
  </ion-content>
</ion-view>
